Finding the Fourth Proportional to 612,920,474.08, 845,848,199.29 and 334,479,944.68
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Solution
The fourth proportional to 612,920,474.08, 845,848,199.29 and 334,479,944.68 is: 461,592,116.54
Step by Step Solution
- Step 1: Write the proportion equation
612,920,474.08 : 845,848,199.29 = 334,479,944.68 : x - Step 2: Convert to fraction form
612,920,474.08/845,848,199.29 = 334,479,944.68/x - Step 3: Cross multiply
612,920,474.08x = 845,848,199.29 × 334,479,944.68 - Step 4: Simplify right side
612,920,474.08x = 282,919,258,901,967,584 - Step 5: Solve for x
x = 282,919,258,901,967,584/612,920,474.08 - Step 6: Final answer
x = 461,592,116.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.